Datasheet Linear Technology LTC3544
| Manufacturer | Linear Technology |
| Series | LTC3544 |
Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
Datasheets
Datasheet LTC3544
PDF, 300 Kb, Language: en, File uploaded: Sep 21, 2017, Pages: 16
Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
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Packaging
| LTC3544EUD#PBF | LTC3544EUD#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | 3x3 QFN-16 Package Outline Drawing | 3x3 QFN-16 Package Outline Drawing |
| Package Code | UD | UD |
| Package Index | 05-08-1691 | 05-08-1691 |
| Pin Count | 16 | 16 |
Parametrics
| Parameters / Models | LTC3544EUD#PBF | LTC3544EUD#TRPBF |
|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1040A-A | DC1040A-A |
| Design Tools | LTspice File | LTspice File |
| Export Control | no | no |
| Features | Burst Mode, 100% Duty Cycle | Burst Mode, 100% Duty Cycle |
| Frequency, kHz | 2.25 | 2.25 |
| Integrated Inductor | no | no |
| Ishutdown, µA | 0.1 | 0.1 |
| Isupply, mA | 0.07 | 0.07 |
| Max Phases | 1 | 1 |
| Monolithic | yes | yes |
| Number of Outputs | 4 | 4 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 |
| Output Current, A | 0.3 | 0.3 |
| Output Current 2, A | 0.2 | 0.2 |
| Output Current 3, A | 0.2 | 0.2 |
| Polyphase | no | no |
| Switch Current, A | 0.6 | 0.6 |
| Switch Current 2, A | 0.4 | 0.4 |
| Switch Current 3, A | 0.4 | 0.4 |
| Synchronous | yes | yes |
| Topology | Buck | Buck |
| Topology 1 | Buck | Buck |
| Topology 2 | Buck | Buck |
| Topology 3 | Buck | Buck |
| Vin Max, V | 5.5 | 5.5 |
| Vin Min, V | 2.25 | 2.25 |
| Vout Max, V | 5.5 | 5.5 |
| Vout Max 2, V | 5.5 | 5.5 |
| Vout Max 3, V | 5.5 | 5.5 |
| Vout Maximum | Vin | Vin |
| Vout Min, V | 0.8 | 0.8 |
| Vout Min 2, V | 0.8 | 0.8 |
| Vout Min 3, V | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 2 | 2 |
Eco Plan
| LTC3544EUD#PBF | LTC3544EUD#TRPBF | |
|---|---|---|
| RoHS | Compliant | Compliant |
Model Line
Series: LTC3544 (2)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck